Given below are two statements:
Statement I: A protein is imagined as a line, the left end represented by first amino acid (C – terminal) and the right end represented by last amino acid (N – terminal)
Statement II: Adult human haemoglobin, consists of 4 subunits (two subunits of α type and two subunits of β type).
In the light of the above statements, choose the correct answer from the options given below: